A406
E751279
A406 is a major ring road in London, commonly known as part of the North Circular Road, carrying heavy traffic around the northern suburbs of the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A406 canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T8684581 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: A406 Context triple: [South Woodford, hasMajorRoad, A406]
-
A.
A40
A40 is a major French motorway, also known as the "Autoroute Blanche," that connects Mâcon to the Mont Blanc region through the Jura and Alps.
-
B.
A40
The A40 is a major road in England that runs from London through Oxford and on toward Wales, serving as an important east–west transport route.
-
C.
A46
A46 is a major trunk road in England that runs from Bath in the southwest to Cleethorpes on the east coast, connecting several key cities and regions.
-
D.
A417
A417 is a major road in England that links key towns and routes in Gloucestershire and the surrounding region.
-
E.
A414
The A414 is a major east–west road in southern England that links several Hertfordshire towns and provides an important route near Welwyn Garden City.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: A406 Target entity description: A406 is a major ring road in London, commonly known as part of the North Circular Road, carrying heavy traffic around the northern suburbs of the city.
-
A.
A40
A40 is a major French motorway, also known as the "Autoroute Blanche," that connects Mâcon to the Mont Blanc region through the Jura and Alps.
-
B.
A40
The A40 is a major road in England that runs from London through Oxford and on toward Wales, serving as an important east–west transport route.
-
C.
A46
A46 is a major trunk road in England that runs from Bath in the southwest to Cleethorpes on the east coast, connecting several key cities and regions.
-
D.
A417
A417 is a major road in England that links key towns and routes in Gloucestershire and the surrounding region.
-
E.
A414
The A414 is a major east–west road in southern England that links several Hertfordshire towns and provides an important route near Welwyn Garden City.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
A road in England
ⓘ
road ⓘ |
| carries | heavy traffic ⓘ |
| connectsTo |
A1
ⓘ
A10 ⓘ A12 ⓘ A13 ⓘ A4 ⓘ A40 ⓘ A41 ⓘ A5 ⓘ M1 motorway ⓘ M11 motorway ⓘ |
| country | United Kingdom ⓘ |
| forms | northern section of London orbital route ⓘ |
| hasIssue |
air pollution along corridor
ⓘ
traffic congestion ⓘ |
| hasRole |
major urban route
ⓘ
orbital road ⓘ |
| hasSection |
Beckton
ⓘ
Bounds Green ⓘ Crooked Billet ⓘ Hanger Lane Gyratory ⓘ Redbridge Roundabout ⓘ Silver Street ⓘ |
| isPartOf | North London transport infrastructure ⓘ |
| locatedIn |
Greater London
ⓘ
London ⓘ
linked to:
London, England
|
| maintainedBy | Transport for London ⓘ |
| openedAs | series of routes developed in early 20th century ⓘ |
| parallelTo |
M25 motorway (in orbital function)
ⓘ
linked to:
M25 motorway
|
| partOf |
London road network
ⓘ
North Circular Road ⓘ |
| passesThrough |
Barnet
ⓘ
Brent ⓘ Ealing ⓘ
linked to:
Ealing, London
Enfield ⓘ Newham ⓘ Redbridge ⓘ Waltham Forest ⓘ
linked to:
London Borough of Waltham Forest
|
| roadNumberingSystem |
Great Britain A-road numbering scheme
ⓘ
linked to:
Great Britain A and B road numbering scheme
|
| roadType |
dual carriageway (in many sections)
ⓘ
single carriageway (in some sections) ⓘ |
| serves | northern suburbs of London ⓘ |
| upgraded | late 20th century dual carriageway improvements ⓘ |
| usedFor |
commuter traffic
ⓘ
freight transport ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: A406 Description of subject: A406 is a major ring road in London, commonly known as part of the North Circular Road, carrying heavy traffic around the northern suburbs of the city.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.